The function f(x) = (x − 4)(x − 2) is shown. what is the range of the function?

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

Anyone know? will mark brainliest if correct!

Which is a graph of a proportional relationship?